/* ==========================================================================
   Variables & Reset
   ========================================================================== */
:root {
    --primary-navy: #1A2B48;
    --primary-cyan: #00D4FF;
    --primary-cyan-hover: #008c97;
    --text-dark: #1F2937;
    --text-muted: #4B5563;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --border-color: #E2E8F0;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-light {
    background-color: var(--bg-light);
}

.section-dark {
    background-color: var(--primary-navy);
    color: var(--bg-white);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: 12px;
}

.section-dark .section-title {
    color: var(--bg-white);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 48px auto;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ==========================================================================
   Composants & Boutons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-cyan);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--primary-cyan-hover);
}

.btn-outline {
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
}

.btn-outline:hover {
    background-color: var(--primary-navy);
    color: var(--bg-white);
}

.btn-light {
    background-color: var(--bg-white);
    color: var(--primary-navy);
}

.btn-light:hover {
    background-color: var(--bg-light);
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(0, 168, 181, 0.1);
    color: var(--primary-cyan);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 20px;
}

/* Header */
.header {
    height: 80px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.header .logo img  {
    height: 90px;
    width: auto;
    display: block;
    mix-blend-mode: multiply;
}


.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-cyan);
}

/* Hero Section */
.hero {
    padding: 80px 0 100px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-navy);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trust-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.trust-icon {
    font-size: 24px;
}

.trust-card h3 {
    font-size: 16px;
    color: var(--primary-navy);
}

.trust-card p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Cards Enjeux */
.card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 18px;
    color: var(--primary-navy);
    margin-bottom: 12px;
}

.card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Services */
.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 36px;
    display: flex;
    flex-direction: column;
}

.service-card.highlighted {
    border: 2px solid var(--primary-cyan);
    position: relative;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.service-icon {
    font-size: 28px;
}

.service-card h3 {
    font-size: 20px;
    color: var(--primary-navy);
}

.service-list {
    list-style: none;
}

.service-list li {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-cyan);
    font-weight: bold;
}

/* About */
.about-container {
    max-width: 800px;
}

.about-content h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.about-content p {
    font-size: 16px;
    color: #CBD5E1;
    margin-bottom: 16px;
}

.about-author {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
}

.about-author strong {
    font-size: 18px;
    color: var(--primary-cyan);
}

.about-author span {
    font-size: 14px;
    color: #94A3B8;
}

/* CTA Banner */
.cta-banner {
    background-color: var(--primary-cyan);
    color: var(--bg-white);
    padding: 64px 0;
    text-align: center;
}

.cta-container h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.cta-container p {
    font-size: 18px;
    margin-bottom: 28px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: #0A1424;
    color: #94A3B8;
    padding: 60px 0 20px 0;
}

.footer .logo-img{
    height: 50px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--bg-white);
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-col p, .footer-col a {
    font-size: 14px;
    color: #94A3B8;
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--primary-cyan);
}

.footer-legal {
    margin-top: 16px;
    font-size: 12px !important;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

.footer-social {
    margin-top: 12px;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #94A3B8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.linkedin-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.linkedin-link:hover {
    color: var(--primary-cyan);
}
.legal-content h2 {
    font-size: 20px;
    color: var(--primary-navy);
    margin: 32px 0 12px 0;
}

.legal-content p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-container {
    max-width: 800px;
    margin: 2rem auto 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    padding: 1rem 1.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
    border-color: var(--primary-cyan);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.faq-summary {
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--primary-navy);
    list-style: none; /* Masque la flèche par défaut sur certains navigateurs */
    position: relative;
    padding-right: 24px;
}

/* Indicateur visuel pour l'accordéon */
.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--primary-cyan);
    font-weight: bold;
    transition: transform 0.2s ease;
}

.faq-item[open] .faq-summary::after {
    content: "−";
}

.faq-answer {
    margin-top: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 15px;
}

/* Responsive (Mobile/Tablette) */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 32px;
    }
    .nav {
        display: none; /* À remplacer par un menu hamburger si besoin */
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}